稻谷废纤维生物质作为可持续声学材料

Q2 Physics and Astronomy

Advances in Acoustics and Vibration Pub Date : 2013-11-07 DOI:10.1155/2013/605932

A. Putra, Yasseer Abdullah, Hady Efendy, W. Mohamad, Norliana Salleh

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引用次数: 35

摘要

在提供替代清洁技术的努力中，利用生物质生产绿色产品仍在取得进展。介绍了稻谷天然废纤维作为声学材料的应用。以稻谷废纤维为原料制备吸声材料。通过实验研究了纤维密度(即纤维重量、试样厚度)和气隙对吸声系数的影响。稻谷纤维具有良好的声学性能，1 kHz以上的法向入射吸收系数大于0.5,2.5 kHz以上的平均吸收系数可达0.8。该结果可与商用合成玻璃棉相媲美。单层聚酯织物的附着可以进一步增加吸收系数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Biomass from Paddy Waste Fibers as Sustainable Acoustic Material

Utilization of biomass for green products is still progressing in the effort to provide alternative clean technology. This paper presents the utilization of natural waste fibers from paddy as acoustic material. Samples of sound absorbing material from paddy waste fibers were fabricated. The effect of the fiber density, that is, the fiber weight and the sample thickness, and also the air gap on the sound absorption coefficient is investigated through experiment. The paddy fibers are found to have good acoustic performance with normal incidence absorption coefficient greater than 0.5 from 1 kHz and can reach the average value of 0.8 above 2.5 kHz. This result is comparable against that of the commercial synthetic glass wool. Attachment of a single layer of polyester fabric is shown to further increase the absorption coefficient.

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来源期刊

Advances in Acoustics and Vibration ACOUSTICS-

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期刊介绍： The aim of Advances in Acoustics and Vibration is to act as a platform for dissemination of innovative and original research and development work in the area of acoustics and vibration. The target audience of the journal comprises both researchers and practitioners. Articles with innovative works of theoretical and/or experimental nature with research and/or application focus can be considered for publication in the journal. Articles submitted for publication in Advances in Acoustics and Vibration must neither have been published previously nor be under consideration elsewhere. Subject areas include (but are not limited to): Active, semi-active, passive and combined active-passive noise and vibration control Acoustic signal processing Aero-acoustics and aviation noise Architectural acoustics Audio acoustics, mechanisms of human hearing, musical acoustics Community and environmental acoustics and vibration Computational acoustics, numerical techniques Condition monitoring, health diagnostics, vibration testing, non-destructive testing Human response to sound and vibration, Occupational noise exposure and control Industrial, machinery, transportation noise and vibration Low, mid, and high frequency noise and vibration Materials for noise and vibration control Measurement and actuation techniques, sensors, actuators Modal analysis, statistical energy analysis, wavelet analysis, inverse methods Non-linear acoustics and vibration Sound and vibration sources, source localisation, sound propagation Underwater and ship acoustics Vibro-acoustics and shock.